Trojan.DownLoader12.28931

Technical Information

To ensure autorun and distribution:

Creates or modifies the following files:

%WINDIR%\Tasks\SA.DAT

Malicious functions:

Executes the following:

'<SYSTEM32>\svchost.exe' -k netsvcs
'<SYSTEM32>\dumprep.exe' 1140 -dm 7 7 %TEMP%\WERcf21.dir00\svchost.exe.mdmp 16325836412030500

Modifies file system :

Creates the following files:

%CommonProgramFiles%\Microsoft Shared\Stationery\brvrjrke.exe
%CommonProgramFiles%\System\ado\tsektjkj.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\ehbebsrn.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\nsqjttkv.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\njbsvtll.exe
%PROGRAM_FILES%\FireFox\chrome\toolkit\content\global\sjwzlskk.exe
%PROGRAM_FILES%\FireFox\chrome\toolkit\res\lhbtcvlt.exe
%PROGRAM_FILES%\FireFox\chrome\toolkit\content\global\hltjtlne.exe
%PROGRAM_FILES%\FireFox\chrome\toolkit\content\global\jjjthqtn.exe
%PROGRAM_FILES%\FireFox\chrome\toolkit\content\global\cpow\ketssrzn.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\bcwvzwbh.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\czjevcet.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\xrljqjzn.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\vkjljzrn.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\bhrhnkht.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\tlcwjrwt.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\bnbtzwxt.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\bzqlkhrh.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\qjllsjhl.exe
%CommonProgramFiles%\Microsoft Shared\Stationery\elwtjnbj.exe

Network activity:

Connects to:

'19#.#7.121.233':139
'19#.#7.20.85':139
'19#.#7.228.60':139
'19#.#7.186.110':139
'19#.#7.41.116':139
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'19#.#7.1.135':139
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'19#.#7.226.121':139
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'19#.#7.162.8':139
'19#.#7.52.215':139
'19#.#7.85.130':445
'19#.#7.5.133':445
'19#.#7.136.31':445
'19#.#7.81.184':445
'19#.#7.33.199':445
'19#.#7.64.106':445
'19#.#7.26.36':445
'19#.#7.52.215':445
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'19#.87.7.61':445
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'19#.#7.36.161':139
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'19#.#7.1.135':445
'19#.#7.121.233':445
'19#.#7.20.85':445
'19#.#7.110.211':445
'19#.#7.80.86':445
'19#.#7.97.24':445
'19#.#7.148.192':139
'19#.87.8.15':445
'19#.#7.46.136':445
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'19#.#7.75.154':445
'19#.#7.205.85':445
'19#.#7.8.116':139
'19#.#7.17.142':139
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'19#.#7.142.46':139
'19#.#7.179.124':139
'19#.#7.46.136':139
'19#.#7.204.233':139
'19#.#7.12.174':139
'19#.#7.102.228':139
'19#.#7.15.172':139
'19#.#7.70.59':139
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'19#.#7.26.222':445
'19#.#7.140.192':445
'19#.#7.158.113':445
'19#.#7.250.207':445
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'19#.#7.124.9':445
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'19#.#7.129.23':139
'19#.#7.130.28':445
'19#.#7.86.182':445
'19#.#7.88.54':445
'19#.#7.3.200':445
'19#.87.54.4':445
'19#.#7.229.185':445
'19#.#7.175.181':445
'19#.#7.18.15':445
'19#.#7.134.23':445
'19#.87.14.1':445
'19#.#7.200.67':445
'19#.#7.125.163':445
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'19#.#7.28.75':445
'19#.#7.191.143':445
'19#.#7.32.238':445
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'19#.#7.67.176':445
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'19#.#7.85.145':445
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'19#.#7.28.75':139
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'19#.#7.32.238':139
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'19#.#7.87.88':139
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'19#.#7.123.140':139
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'19#.#7.158.113':139
'19#.#7.31.43':139
'19#.#7.113.152':139
'19#.#7.233.77':139
'19#.#7.124.9':139
'19#.#7.97.177':139
'19#.#7.26.222':139
'19#.#7.120.47':139
'19#.#7.151.146':139
'19#.#7.47.11':139
'19#.#7.189.68':139
'19#.#7.175.181':139
'19#.#7.163.157':139
'19#.#7.73.133':139
'19#.#7.45.36':139
'19#.#7.53.81':139
'19#.#7.93.92':139
'19#.#7.51.102':139
'19#.#7.229.185':139
'19#.87.54.4':139
'19#.#7.88.54':139
'19#.#7.3.200':139
'19#.#7.67.176':139
'19#.#7.200.67':139
'19#.87.14.1':139
'19#.#7.18.15':139
'19#.#7.134.23':139
'19#.#7.130.28':139
'19#.#7.86.182':139
'19#.#7.41.44':445
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'19#.#7.146.220':139
'19#.#7.237.220':139
'19#.#7.76.139':139
'19#.#7.54.97':445
'19#.#7.61.150':445
'19#.#7.211.41':445
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'19#.#7.75.34':445
'19#.#7.11.245':139
'19#.#7.153.100':139
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'19#.#7.90.73':139
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'19#.#7.140.115':139
'19#.#7.5.221':139
'19#.#7.245.28':139
'19#.#7.215.244':139
'19#.#7.165.126':139
'19#.#7.121.6':139
'19#.#7.11.245':445
'19#.#7.237.220':445
'19#.#7.245.28':445
'19#.#7.215.244':445
'19#.#7.5.221':445
'19#.#7.36.90':139
'19#.#7.118.114':139
'19#.#7.171.233':139
'19#.#7.76.139':445
'19#.#7.146.220':445
'19#.#7.121.6':445
'19#.#7.127.103':445
'19#.#7.88.73':445
'19#.#7.170.147':445
'19#.#7.115.35':445
'19#.#7.117.141':445
'19#.#7.55.154':445
'19#.#7.165.126':445
'19#.#7.153.100':445
'19#.#7.140.115':445
'19#.#7.90.73':445
'19#.#7.150.66':445
'19#.#7.129.23':445
'19#.#7.186.154':445
'19#.#7.35.190':445
'19#.#7.154.164':445
'19#.#7.26.222':9988
'19#.#7.123.140':9988
'19#.#7.120.47':9988
'19#.#7.164.39':445
'19#.#7.255.49':445
'19#.#7.193.6':445
'19#.#7.47.11':445
'19#.#7.93.92':445
'19#.#7.151.146':445
'19#.#7.163.157':445
'19#.#7.189.68':445
'19#.#7.45.36':445
'19#.#7.83.33':445
'19#.#7.73.133':445
'19#.#7.51.102':445
'19#.#7.53.81':445
'19#.#7.211.41':139
'19#.#7.54.97':139
'19#.#7.75.34':139
'19#.#7.193.41':139
'19#.#7.254.192':139
'19#.#7.170.147':139
'19#.#7.127.103':139
'19#.#7.117.141':139
'19#.#7.61.150':139
'19#.#7.115.35':139
'19#.#7.41.44':139
'19#.#7.255.147':9988
'19#.#7.156.64':9988
'19#.#7.194.103':9988
'19#.#7.32.238':9988
'19#.#7.85.145':9988
'19#.#7.45.36':9988
'19#.#7.129.23':9988
'19#.#7.175.181':9988
'19#.#7.67.176':9988
'19#.#7.229.185':9988

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